Virus or viruses (Virus) are very small creatures smaller than bacteria. The size of a virus equal to 20 to 300 nm (Nanometre) and can cause a disease (viral infection or virus infection Viral infection) in many people.
The virus or viruses (Virus) is a very small creature. Many times smaller than bacteria The size of the virus is 20 to 300 nm (Nanometre) and can cause disease. (Viral infection or viral infection Viral infection) in many diseases.
The virus or virus (Virus) is a very small organisms, smaller than bacteria as the size of the virus was 20 to 300 nm. (Nanometre) and can cause disease (viral infection or viral diseases Viral infection) in several diseases.